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north east IN | My beans that were sprayed with sonic 1st week of May look terrible the beans that had extreme look a lot better. The beans that were beans sprayed with sonic the end of May look fine. Thinking spraying in cold weather with sonic is bad. Anybody else see this problem or do I have something else wrong. |
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Watonwan County MN | We had Sonic sprayed 10 days after planting (which is the limit) and those beans look like crap. Started with 10-11 per foot, now down to 4.8 per foot average. Company man said not to worry, but it's hard not to. Tried drilling some in to thicken the stand but those wouldn't even germinate. |
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ECIA | The label I read says up to 3 days post. |
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| uh 10 days stretching the 3 day limit pretty far |
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![](/profile/get-photo.asp?memberid=9649&type=profile&rnd=662) King City, Mo | Sonic is authority and first rate.
Well both of those have activity on broadleafs.......soys are a broadleaf. If you get the right conditions your gonna get some friendly fire with any chemical that's effective on broadleafs if you spray it on your beans. |
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Ft. Wayne | Saturated soils and authority can definitely have an effect. In the end they may be short but pod heavily and yield just fine. Looks like we may get a few dry days here. Knock on wood. |
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EC Illinois / WC Indiana | "Not to worry"
My damage last year....beans never got above mid calf high.
Remaining stand is only 1/2 of the equation. The fact that the soybeans ingested so much chemical....likely won't recover.
Friendly fire? That's you call destruction of your cash crop? I'll take a stand and healthy plants and a few weeds over "friendly fire"
Might just be a here thing....low organic and coarse. But never again
10 days after planting....that is a strech
Edited by farmergreg 7/1/2015 08:05
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SE MN | All broadleaf soil residuals on beans will have some effect of stunting the beans. With the right environmental conditions, it could look really bad. In most cases, it will snap out of it and no yield will be lost. |
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| Had an avg. of about 15bu yield reduction from Authority First/Sonic (both the same). We had scale tickets, photos of what we thought were just short slow growing beans since this chemical had never been used before on our farm and not heard of the issues. We thought they over applied the chemical but no admissions were made. In the end nobody at Heritage FS or their insurance company or the chemical company would do anything. Sorry you are on your own with a $50,000 loss. THANKS
If you do have a legitimate problem start documenting and contact every person you know RIGHT NOW!!!!!!! Get the agronomist from your seed company out, your chemical company, everybody you know. Take pictures and document.
Edit search my name under the above chemical and you will see my pics and questions about seeing issues along with Gregs ^^^
Edited by 1586 7/1/2015 08:51
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| I still feel valor is safer on beans than what sonic is. I know for a fact my beans with matador are growing faster than my beans with sonic. |
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EC Illinois / WC Indiana | I must have been persistent. I got paid by FMC for 11-16 bu loss. |
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| farmergreg - 7/1/2015 08:35
I must have been persistent. I got paid by FMC for 11-16 bu loss.
You have more pull that I do. At the suggestion of a respected poster here who I will not name we did a soil test for sulfentrazone which was still detectable at a pretty good reading it was not enough proof of either 1)over application -or- 2)herbicide damage |
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Watonwan County MN | That's interesting as our co-op said ten days post is still within label. Methinks Im gonna be talking with the co-op! Thanks for the heads up! |
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EC Illinois / WC Indiana | I followed the label to a tee. It just doesn't like cool and wet. Too dry it doesn't activate too wet washes ing the germ zone. Doesn't like coarse soil doesn't like high ph. Doesn't like low om.
Search my old posts for pics. |
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| feeling the same way........ first year we have used Sonic and are seeing the same effects. We sprayed a few acres with just RUP and I swear they look better and have next to the same weed control which makes it hard to spend the extra $$$ on a pre. We are seriously considering just burning down with RUP next year. |
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Central Missouri | Take a look at becks research book from last year. Metribuzin plus metolzchlor was much friendlier on bean emergence than either valor or authority. |
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| farmergreg - 7/1/2015 09:06 I followed the label to a tee. It just doesn't like cool and wet. Too dry it doesn't activate too wet washes ing the germ zone. Doesn't like coarse soil doesn't like high ph. Doesn't like low om. Search my old posts for pics. The key to getting soybeans to tolerate Sonic is to put it out far enough preplant that you get a decent rain on it before seeding. Then there is zero injury. I would never, ever consider applying Sonic early post-emerge. |
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![](/profile/get-photo.asp?memberid=6389&type=profile&rnd=766) East Prairie, MO | The only thing I know about sonic is to NOT put it out with smart trio, neighbor did and spent 8 hrs taking every part of the plumbing on his new Hagie apart to get the concrete out. |
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